Mid-Century Two-Stone Diamond Engagement Ring in 14k White Gold.  This Mid-Century engagement ring features 1.87 carats of diamonds on a stylish, 14 karat white gold band. The primary stone is a .87 carat Old European cut diamond that is set in prongs on the end of a bypass ring. Near colorless and glittering, the primary diamond is accented by eight (8) .02 carat accent diamonds, a collection of six Round Brilliant cut and two single cut diamonds set on the white gold band. An additional .16 carat Old European cut diamond punctuates the other end of the band.